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Consolidated Condensed Statements Of Cash Flows (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jul. 31, 2013
Jul. 31, 2012
Cash flows from operating activities:    
Net income including noncontrolling interests $ 10,818 $ 2,781
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 8,811 8,241
Impairment charges and other   143
(Income) loss from equity method investments (6,227) 39
Gain on disposal of real estate and property and equipment (6) (83)
Dividends received from equity method investees 200 2,005
Deferred income (484) (958)
Derivative financial instruments (856) (703)
Deferred income tax 5,410 553
Changes in assets and liabilities:    
Accounts receivable (5,842) (2,095)
Inventories (4,453) 995
Other assets 164 367
Accounts payable, trade 1,310 (3,781)
Other liabilities (363) (4,030)
Net cash provided by operating activities 8,482 3,474
Cash flows from investing activities:    
Capital expenditures (252) (2,320)
Restricted cash (500)  
Restricted investments 180 680
Proceeds from sale of real estate and property and equipment 463 2,195
Net cash (used in) provided by investing activities (109) 555
Cash flows from financing activities:    
Payments of long-term debt (8,629) (10,985)
Stock options exercised 794 358
Noncontrolling interests distribution and other   (1,983)
Treasury stock acquired (856) (2,470)
Net cash used in financing activities (8,691) (15,080)
Net decrease in cash and cash equivalents (318) (11,051)
Cash and cash equivalents, beginning of period 69,073 75,013
Cash and cash equivalents, end of period 68,755 63,962
Non cash financing activities - Cashless exercise of stock options   $ 1,071